#3. Determine the critical load on a steel column having a rectangular cross section, 12 mm...
Question #2 (30 points) A solid rectangular column has the dimensions and properties below. Determine if it is a Johnson or an Euler column and find the critical load: (a) If its boundary conditions are pinned- pinned. (b) If its boundary conditions are fixed-free. Length of column L - 120 mm Thickness = 5 mm Height = 10 mm Material Steel Yield strength Sy = 305 MPa Modulus of elasticity E = 207 GPa 2 * 20 7
The column shown has a hollow rectangular cross-section. L=6 meters, the material is cold-drawn steel with E=207 GPa, and Sy=580 MPa. Assume end condition to be C=1; 010 Determine D=80mm 200mm 1. 2. 3. 4. Slenderness ratio Transition Slenderness ratio Short or long column? Why? Is the column safe if the axial load P shown is 1 MN? 100mm Column Cross-section bh3 For a rectangular cross-section I 12 X For a circular cross-section, I = 1 D4 64
2. A steel beam has a rectangular cross section (b mm and h mm) with a length, L m. For steel, E in GPA and pin kg/m3. The beam supported in two different ways: (i) Free-Free ii) Fixed-Free (iii) Fixed-Fixed (iv) Pinned-Pinned (a) Free-hand sketch the beams and list boundary conditions for each. (b) Compute the three lowest temporal frequencies for each beam. (c) Free-hand sketch the first three mode shapes for each beam. Use the following Table for specifications:...
The column shown has a hollow rectangular cross-section. I-6 meters, the material is cold-drawn steel with E-207 GPa, and Sy=580 MPa. Assume end condition to be C-1; Determine 1. Slendemess ratio 2. Transition Slenderness ratio D-80mm 200mm 3. Short or long column? Why? 4. Is the column safe if the axial load P shown is 1 MN? 100mm Column Cross-section For a rectangular cross-section 1 = bh 12 For a circular cross-section, I = *D* 64
The column shown has a hollow rectangular cross-section. I=6 meters, the material is cold-drawn steel with E=207 GPa and Sy=580 MPa. Assume end condition to be C=1; Determine 1. Slenderness ratio 2. Transition Slenderness ratio D-80mm 200mm 3. Short or long column? Why? 4. Is the column safe if the axial load P shown is I MN? 100mm Column Cross-section bh For a rectangular cross-section I = 12 For a circular cross-section, 1 = " D4 64
A steel pipe column has a length L=4.25 m and has tubular cross section with inside diameter dy=64 mm and outside diameter d2=90 mm. The column is fixed at the base and pinned at the top. The modulus of elasticity of steel is E=210 GPa. The theoretical Euler buckling load of the column is most nearly: dy dz A. 720 KN B. 560 kN C. 303 kN D. 690 KN The steel post has a length L=4 m and carries...
O The column shown has a hollow rectangular cross-section. I=6 meters, the material is cold-drawn steel with E=207 GPa, and Sy=580 MPa. Assume end condition to be C=1; Determine 1. Slenderness ratio 2. Transition Slenderness ratio 200mm 3. Short or long column? Why? 4. Is the column safe if the axial load P shown is 1 MN? D80mm 100mm Column Cross-section bh? For a rectangular cross-section I 12 For a circular cross-section, I = +04 64
ľ The column shown has a hollow rectangular cross-section. I=6 meters, the material is cold-drawn steel with E=207 GPa, and Sy=580 MPa. Assume end condition to be C=1; Determine 1. Slenderness ratio 2. Transition Slenderness ratio D-80mm 200mm 3. Short or long column? Why? 4. Is the column safe if the axial load P shown is 1 MN? 100mm Column Cross-section bha For a rectangular cross-section / = 12 For a circular cross-section, I =D
Determine the amount of axial force (in N) to cause buckling-failure for a Long or Intermediate Column. (Hint: Only two buckling methods, Euler or Johnson, but determine whicl method you need to use first using determining equation) Data: Cross-Section is a hollow Cylinder with an outer diameter of 40 mm and inner diameter of 38 mm. Length of the column is 1.5 meters. Material is a Steel with a young's modulus of 207 GPa. Yield strength of 280 MPa Boundary...
Question 1 (4 marks): Determine the nominal member capacity (Ne) of a steel column with the following heavily welded cross-section. The column has an effective length of 4.7 m and a yield stress of 300 MPa. 350 mmm t 12 mm tw 10 mm 534 mm Question 1 (4 marks): Determine the nominal member capacity (Ne) of a steel column with the following heavily welded cross-section. The column has an effective length of 4.7 m and a yield stress of...